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Design of precise delay system for streak tube imaging lidar

机译:条纹管成像激光雷达精确延迟系统的设计

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摘要

A precise delay system for a streak tube imaging lidar (STIL) is developed. Two delay schemes are designed that are suitable for long- and short-distance lidar imaging. The digital scheme delay can reach 100 μs, and its precision is <6 ns; the analog scheme delay can reach 1200 ns and its precision is <1 ns. Using the STIL system, three-dimensional (3-D) imaging experiments are carried out on land targets at about 2.3-km range and underwater targets at about 25-m range. The experimental results show that the designed delay device can produce precise delay times and effectively verify the 3-D imaging quality of the STIL. This device also has the advantages of stable operation, being more compact, and requiring less power than existing instruments.
机译:开发了用于条纹管成像激光雷达(STIL)的精确延迟系统。设计了两种适用于长距离和短距离激光雷达成像的延迟方案。数字方案延迟可以达到100μs,其精度为<6 ns。模拟方案延迟可以达到1200 ns,其精度<1 ns。使用STIL系统,在约2.3公里范围内的陆地目标和约25米范围内的水下目标上进行了三维(3-D)成像实验。实验结果表明,所设计的延迟装置可以产生精确的延迟时间,并有效地验证了STIL的3D成像质量。与现有仪器相比,该装置还具有操作稳定,更紧凑且所需功率更少的优点。

著录项

  • 来源
    《Optical engineering》 |2018年第12期|124104.1-124104.6|共6页
  • 作者单位

    Harbin Institute of Technology, School of Electronics and Information Engineering, Weihai, China;

    Harbin Institute of Technology, School of Electronics and Information Engineering, Weihai, China,Shandong Institute of Shipbuilding Technology, Institute of Ship and Ocean Opto-Elec Equipment, Weihai, China;

    Harbin Institute of Technology, School of Electronics and Information Engineering, Weihai, China,Shandong Institute of Shipbuilding Technology, Institute of Ship and Ocean Opto-Elec Equipment, Weihai, China;

    Harbin Institute of Technology, School of Electronics and Information Engineering, Weihai, China,Shandong Institute of Shipbuilding Technology, Institute of Ship and Ocean Opto-Elec Equipment, Weihai, China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    streak tube; imaging lidar; digital delay; analog delay;

    机译:条纹管成像激光雷达数字延迟模拟延迟;

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